On January 29, as expected, Microsoft began shipping two key components of the "New Office": Its Office 2013 packages and Office 365 Home Premium subscription service.
But new customers who are waiting on the other refreshed Office 365 plans with all the latest features -- the Small Business, Midsize Business and new Enterprise offerings -- have to wait until February 27 for them to begin rolling out.
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Microsoft won't deliver Office 365 updates for new business users until February | ZDNet